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2020 Silverado HD & Sierra HD Troubleshooting

A central location to report any issues or asking for help troubleshooting any problems with your 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500. Also recall announcements and Technical Service Bulletins (TSB).

41 topics in this forum

  1. New Infotainment System Update v148 / Radio won't shut off issue

    By SkidooSteve12,
    • 5 replies
    • 117 views

  3. Loose Suspension or Spring Pack Issue?

    By cNate,
    • 3 replies
    • 101 views

  4. Highway speed vibration on 2020? 1 2 3 4

    By Ckhris,
    • 49 replies
    • 2,737 views

  5. RCV (Rear Camera View) gridlines - possible to calibrate?

    By 2020-2500,
    • 3 replies
    • 134 views

  6. 2020 GMC 2500 HD DENALI TRANSMISSION PROBLEMS

    By tkcrane89,
    • 3 replies
    • 279 views

  7. Engine knock a 500 miles 1 2

    By bass mechanic,
    • 29 replies
    • 1,702 views

  8. 2020 2500 HD Recall - Seatbelt Pretensioner Fire

    By cNate,
    • 4 replies
    • 321 views

  9. Traction Control Activating on Left Turns

    By Tville,   
    • 10 replies
    • 388 views

  10. Bluetooth iPhone Issues

    By YF26Dmax,
    • 6 replies
    • 249 views

  11. low engine temperature? 1 2

    By bass mechanic,
    • 21 replies
    • 774 views

  12. Trailer lights 1 2

    By Jordan94,   
    • 27 replies
    • 1,851 views

  13. Does your truck ever go through regen? Mine hasn’t.

    By KC Desert,
    • 8 replies
    • 289 views

  14. 2020 2500HD Transmission issues

    By gpraceworks,
    • 13 replies
    • 639 views

  15. Interior Squeaks/Creaks

    By jpgcrna,
    • 7 replies
    • 252 views

  16. Receiving text messages 1 2

    By The Bopper,
    • 23 replies
    • 941 views

  17. Looks like I have similar problem with iPhone and the navigation system that the 1/2 tons have.

    By Sunshine39,
    • 11 replies
    • 849 views

  18. 2020 3500 denali snowmobile deck lights turn off with brake or signal

    By Ryan Evans,   
    • 1 reply
    • 160 views

  19. Text Messages

    By Pat Papasergia,
    • 9 replies
    • 223 views

  20. Multi gate tailgates..........functional but kinda feel cheap

    By Peekaboo Bruizer,
    • 1 reply
    • 138 views

  21. 2020 Sierra 2500HD Denali POS

    By Kuhns07,
    • 2 replies
    • 336 views

  22. TPMS lost a sensor then it magically came back miles later...

    By KC Desert,
    • 3 replies
    • 194 views

  23. Outside air temp reading won't update

    By CRApex,
    • 2 replies
    • 168 views

  24. Any 2020 models pulling left?

    By KC Desert,
    • 9 replies
    • 424 views

  25. Vibration

    By fonz46,
    • 1 reply
    • 149 views

  26. Check engine light 1 2 3

    By bharris515,
    • 32 replies
    • 3,356 views


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